Daily Report for 21st February 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.4 °C (-0.8) 07:21 1.3 °C (-0.9) 11.4 °C (+9.2), 2016 -1.2 °C (-3.4), 2010
Maximum Temperature 5.9 °C (-1.8) 14:32 7.1 °C (-0.2) 14.5 °C (+6.8), 2016 1.8 °C (-6.0), 2013
Mean Temperature 4.1 °C (-1.3) 4.4 °C (-0.6) 12.8 °C, 2016 1.2 °C, 2013
Minimum Humidity 73% 15:32 68% 84%, 2011 49%, 2014
Maximum Humidity 93% 07:16 92% 98%, 2010 63%, 2013
Mean Humidity 84% 82% 92%, 2010 55%, 2013
Minimum Pressure 1025 hPa 11:59 1010 hPa 1030 hPa, 2009 991 hPa, 2010
Maximum Pressure 1028 hPa 11:01 1019 hPa 1033 hPa, 2009 998 hPa, 2010
Mean Pressure 1027 hPa 1015 hPa 1032 hPa, 2009 994 hPa, 2010
Mean Wind Speed 3.8 mph (-1.3) 5.4 mph (+0.3) 12.4 mph, 2016 2.7 mph, 2010
Maximum Wind Speed 10.5 mph 13:13 14.0 mph 22.7 mph, 2016 9.4 mph, 2011
Maximum Gust 13.8 mph 22:29 21.8 mph 36.7 mph, 2016 13.5 mph, 2010
Mean Wind Direction NE
Rainfall 0.0 mm 29.4 mm (98%) 4.4 mm, 2010
Maximum Hourly Rain n/a 1.9, 2010
Maximum 10-min Rain n/a 0.8, 2010
Maximum Rain Rate n/a 16, 2010
Minimum Dew Point 0.2 °C 07:20 -1.0 °C 9.1 °C, 2016 -8.4 °C, 2013
Maximum Dew Point 2.6 °C 19:09 4.1 °C 11.0 °C, 2016 -4.5 °C, 2013
Mean Dew Point 1.6 °C 1.5 °C 9.9 °C, 2016 -6.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.4 °C 07:21 2.1 °C 11.4 °C, 2016 -1.2 °C, 2010
Day Maximum (09-21) 5.9 °C 14:32 6.8 °C 14.5 °C, 2016 1.7 °C, 2013
Max 10m Temp Rise 0.4 °C 09:09 0.5 °C 0.9 °C, 2009 0.1 °C, 2013
Max 1hr Temp Rise 1.8 °C 09:21 1.6 °C 2.3 °C, 2009 0.2 °C, 2013
Max 1hr Hum Rise 6% 16:32 8% 9%, 2009 2%, 2017
Max 10m Temp Fall 0.3 °C 02:09 0.4 °C 0.9 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 0.9 °C 02:09 1.2 °C 2.0 °C, 2009 0.4 °C, 2011
Max 1hr Hum Fall 9% 09:27 9% 15%, 2015 2%, 2011
Max 10m Wind Speed 7.4 mph 13:19 10.8 mph 17.6 mph, 2016 6.6 mph, 2011
Minimum Feels-like -1.7 °C 05:49 -2.8 °C 12.3 °C, 2016 -6.1 °C, 2013
Maximum Feels-like 4.9 °C 11:18 6.1 °C 16.2 °C, 2016 0.2 °C, 2013
Mean Feels-like 1.9 °C 1.5 °C 14.0 °C, 2016 -3.2 °C, 2013
Air-frost Hrs 0 hrs 1 hrs 5 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.5 °C (-1.1) 5.8 °C (+0.6) 9.6 °C (+4.0), 2009 1.3 °C (-4.3), 2013
Humidity Range 20% 24% 40%, 2014 9%, 2011
Pressure Range 3 hPa 9 hPa 9 hPa, 2015 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [22%]60 hrs (109%) [33%] 8.6 [93%], 2009 0 [0%], 2011
Wet Hours 050 hrs (127%) [9.8%] 3, 2010 , 2009
Cloud Cover am: Hazy transitioned to Overcast
pm: Mostly Cloudy transitioned to Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint time of the extremum (if the value persisted for >1 minute).
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations; their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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